the answer is yes, they do have three main body parts.
A Black Widow spider has two main body parts: the cephalothorax (head and thorax combined) and the abdomen.
The Black Widow is in the Arachnid class. Because it is a animal with2 body parts and 8 legs
A black widow. This spider is only a black widow if the entire spider is black, with a round-ball looking back-body, female variety if there is a red hourglass shape marking on the underside of the spider. From the top black widows are completely black.
i think a black widow
well... um the black widows body coverings are black with a red lightning bolt in the middle of it.
male black widow
A black widow
A Zorgamosiolhr has three body parts
Black, with an hour glass shaped red mark on the bottom of its abdomen.
black and it has six legs and it has three body parts the head thorax and abdemen
The spider has an exoskeleton covering around its body. :)
The scientific name of the black widow is Latrodectus mactans. It is a species of venomous spider known for its distinctive black body and red hourglass marking on the abdomen.